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由12306.cn谈谈网站性能技术 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...个事,我想以这个事来粗略地和大家讨论一下网站性能的问题。因为仓促,而且完全基于...12306.cn网站挂了,被全国人民骂了。我这两天也在思考这个事,我想以这个事来粗略地和大家讨论一下网站性能的问题。因为仓促,而且...
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PHP function to get the subdomain of a URL

Is there a function in PHP to get the name of the subdomain? 28 Answers 28 ...
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Best way to parse RSS/Atom feeds with PHP [closed]

...ll formed. Are there any other options for parsing RSS and Atom feeds with PHP? 10 Answers ...
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Send attachments with PHP Mail()?

... I agree with @MihaiIorga in the comments – use the PHPMailer script. You sound like you're rejecting it because you want the easier option. Trust me, PHPMailer is the easier option by a very large margin compared to trying to do it yourself with PHP's built-in mail() function...
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PHP abstract properties

Is there any way to define abstract class properties in PHP? 9 Answers 9 ...
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Is there any particular difference between intval and casting to int - `(int) X`?

... (int) is faster than intval(), according to wiki.phpbb.com/Best_Practices:PHP – Martin Thoma Sep 1 '11 at 11:33 ...
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upstream sent too big header while reading response header from upstream

...ove the message, is it streaming with logged lines preceding the message? PHP message: PHP Notice: Undefined index: Example snippet from a loop my log file: 2015/11/23 10:30:02 [error] 32451#0: *580927 FastCGI sent in stderr: "PHP message: PHP Notice: Undefined index: Firstname in /srv/www/class...
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How to make PDF file downloadable in HTML link?

...nking to the .PDF file, instead do something like <a href="pdf_server.php?file=pdffilename">Download my eBook</a> which outputs a custom header, opens the PDF (binary safe) and prints the data to the user's browser, then they can choose to save the PDF despite their browser settings....
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How to let PHP to create subdomain automatically for each user?

...ess htaccess somehow? Is it actually simply possible to create it via pure php code or I need to use some external script-server side language? ...
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How to save a PNG image server-side, from a base64 data string

...rings that this tool generates, into actual PNG files on the server, using PHP. 15 Answers ...